How does R do it, and should I ever be worried? I always remove
columns by index, and it works exactly as I would naively expect - but
HOW? The second illustration, which deletes non contiguous columns,
represents what I do all the time and have some trepidation about
because I don't know the
On Jan 6, 2012, at 10:00 AM, Mike Harwood wrote:
How does R do it, and should I ever be worried? I always remove
columns by index, and it works exactly as I would naively expect - but
HOW? The second illustration, which deletes non contiguous columns,
represents what I do all the time and
Thank you, David. I was merely using head to limit the code/
output. My question remains, because a created data frame has the
same columns as was output from head:
head(orig.df,3)
num1.10 num11.20 lc1.10 lc11.20 uc1.10 uc11.20
1 1 11 a k A K
2 2
On Fri, Jan 6, 2012 at 10:00 AM, Mike Harwood harwood...@gmail.com wrote:
How does R do it, and should I ever be worried?
You should be worried, but not about that.
I always remove
columns by index, and it works exactly as I would naively expect - but
HOW? The second illustration, which
On Jan 6, 2012, at 11:43 AM, Mike Harwood wrote:
Thank you, David. I was merely using head to limit the code/
output. My question remains, because a created data frame has the
same columns as was output from head:
head(orig.df,3)
num1.10 num11.20 lc1.10 lc11.20 uc1.10 uc11.20
1 1
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